CN201683986U - Novel thoracentesis needle - Google Patents
Novel thoracentesis needle Download PDFInfo
- Publication number
- CN201683986U CN201683986U CN2010201480357U CN201020148035U CN201683986U CN 201683986 U CN201683986 U CN 201683986U CN 2010201480357 U CN2010201480357 U CN 2010201480357U CN 201020148035 U CN201020148035 U CN 201020148035U CN 201683986 U CN201683986 U CN 201683986U
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- CN
- China
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- needle
- outer sleeve
- hand
- needle core
- trocar sheath
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Abstract
The utility model belongs to the field of medical instruments, and particularly relates to a novel thoracentesis needle. The novel thoracentesis needle comprises an outer sleeve and a needle core, and is characterized in that a handheld component is arranged at the end part of the outer sleeve; the outer sleeve is matched with the needle core in a sleeve-joint manner to form a component; one end of the needle core is elastically connected with the handheld component through a spring; the other end of the needle core is telescopic at the head part of the outer sleeve; a valve is arranged on the handheld component; and a switch port matched with an injection port of an injector is arranged at the tail end of the handheld component. In the novel thoracentesis needle, the telescopic needle core is arranged in the outer sleeve; the head part of the needle core adopts an obtuse structure; one or more liquid outlet holes are formed on the head part and the side wall of the needle core to facilitate the liquid-gas extraction to avoid blockage; graduations are marked on the outer sleeve to facilitate the puncturing depth mastering; and the valve and the injector switch port are arranged on the handheld component at the end part of the outer sleeve, so that the injector can be directly connected with the puncture needle for convenient operation and repeated extraction. Therefore, one person can complete the whole operation rapidly.
Description
Technical field
This utility model belongs to medical instruments field, is specifically related to a kind of novel thoracentesis needle.
Background technology
Hydrothorax and pneumothorax are common diseases clinically, therefore, are used to diagnose and to treat the use of thoracentesis needle of this two classes disease very extensive.Except blood, the pneumothorax due to the thoracic trauma, after the thoracotomy outside the hydrothorax, in recent years, because lung cancer morbidity rate and incidence of pulmonary tuberculosis increase year by year, make the hydrothorax patient due to cancerous hydrothorax patient and the tuberculosis increase in a large number, this two classes patient often needs the repeated multiple times thoracentesis, makes thus that clinically the demand to thoracentesis needle increases greatly.
At present, domestic most of hospital is all using traditional thoracentesis needle, this puncture needle is formed by connecting by piercing needle and rubber tube, there is following shortcoming in traditional thoracentesis needle: (1) its most advanced and sophisticated exposing, sharp keen, very easily damage lung tissue, the easier lung tissue that punctures when especially patient coughs when doing diagnostic puncture or in the piercing process; (2) syringe nipple is connected with rubber tube closely or the loose pincers of assistant too early air admission breast chamber may take place; (3) sterilization is used repeatedly, easily produces the sclerosis of cross infection and rubber tube and breaks; (4) extract 50ml at every turn after, need the clamping rubber tube, drain liquid gas in the syringe, extract repeatedly again, so not only time-consuming, and single being difficult to carry out; (5) be difficult to pump liquid gas.Because pleural fluid, gas reduce to when to a certain degree extracting again, lung tissue can be adsorbed on the syringe needle, and the drawing liquid pore is stopped up, and is difficult to pump liquid gas so on the one hand, increases the probability of damaged lung tissue simultaneously again.
At the above-mentioned shortcoming of traditional thoracentesis needle, Chinese scholars is constantly improved.At needing vascular forceps clamping rubber tube behind each drawing liquid gas, there is the scholar that block device has been installed on rubber tube, after finishing, only need the blocking-up rubber tube at every turn, the blocking-up thoracic cavity and the external world communicate, and need not to use vascular forceps, have alleviated manpower.After have the scholar between syringe and puncture needle, three-limb tube to be installed again, reach blocking-up puncture needle and the external world by the rotation communication direction and communicate, it is convenient more to use.After extracting hydrothorax, need to inject medicine at the cancerous hydrothorax patient and be used to control the hydrothorax generation to the thoracic cavity, have the scholar rubber tube to be made " Y " shape, one is extracted hydrothorax, and one is injected medicine in the thoracic cavity, can operate simultaneously, but still there is the most of shortcoming of traditional thoracentesis needle in it.
The utility model content
At problems of the prior art, the purpose of this utility model is to provide a kind of technical scheme of novel thoracentesis needle.
Described novel thoracentesis needle, comprise trocar sheath and nook closing member, it is characterized in that described trocar sheath end is provided with hand-held device, trocar sheath cooperates formation one assembly with the nook closing member socket, nook closing member one end is connected with hand-held device elasticity by spring, the other end stretches in the head of trocar sheath, and hand-held device is provided with valve, and the hand-held device end is provided with the converting interface that matches with the injection port of syringe.
Described novel thoracentesis needle is characterized in that described nook closing member head is the blunt structure of circle, and is respectively equipped with one or an above liquid outlet at head and sidewall.
Described novel thoracentesis needle is characterized in that terminal the pegging graft of described hand-held device is provided with drainage component, and drainage component links to each other with drainage bag or drainage tube.
Described novel thoracentesis needle is characterized in that described trocar sheath outer wall is provided with graduation mark.
Above-mentioned novel thoracentesis needle, the trocar sheath end is provided with hand-held device, valve is set on the hand-held device, and the hand-held device end is provided with the syringe converting interface, syringe can directly link to each other with puncture needle, after syringe extracts liquid or gas, valve-off, this moment, thoracic cavity and isolation can extract repeatedly, till liquid or the gas, whole surgery only needs a people to finish fast in pumping the thoracic cavity; Telescopic nook closing member is set in the trocar sheath, and the nook closing member head is the blunt structure of circle, its head and sidewall are respectively equipped with one or an above liquid outlet, are convenient to drawing liquid gas, be difficult for to produce clogging; Be marked with scale at trocar sheath, be convenient to grasp paracentesis depth, said structure has reduced the generation of complication in the pleurocentesis, has also reduced patient's misery.
Description of drawings
Fig. 1 is a structural representation one of the present utility model;
Fig. 2 is a structural representation two of the present utility model.
The specific embodiment
Below in conjunction with Figure of description this utility model is described further:
As shown in the figure, novel thoracentesis needle, comprise trocar sheath 2 and nook closing member 1, trocar sheath 2 tube heads are sharp keen, be mainly used in and pass thoracic wall, be similar to traditional piercing needle, described trocar sheath 2 ends are provided with hand-held device 3, be convenient to operation, trocar sheath 2 cooperates formation one assembly with nook closing member 1 socket, nook closing member 1 one ends are connected with hand-held device 3 elasticity by spring 6, the other end stretches in the head of trocar sheath 2, promptly nook closing member 1 scalable with trocar sheath 2 inside, when the puncture thoracic wall, nook closing member 1 retraction, eject after penetrating thoracic wall, nook closing member 1 head is the blunt structure of circle, and is respectively equipped with one or an above liquid outlet 5 at head and sidewall, can multi-angle, extract intrathoracic liquid gas fully, when passing thoracic wall, nook closing member 1 is bounced back backward by spring 6 by thoracic wall pushing, exposes the sharp keen head of trocar sheath 2, pass thoracic wall easily, in case after passing thoracic wall, nook closing member 1 is disappeared by the thoracic wall pushing force, spring 6 resiliences, expose blunt nook closing member 1 head of circle, in extraction process, it is blunt to keep the puncture needle head to be circle, not the easy damaged lung tissue, trocar sheath 2 outer walls are provided with graduation mark, are convenient to grasp paracentesis depth; Hand-held device 3 is provided with valve 4, can be used for controlling the break-make of syringe and thoracic cavity internal medium, after puncture needle inserts the thoracic cavity, nook closing member 1, trocar sheath 2 and hand-held device 3 constitute airtight space, ambient atmos is difficult for entering the thoracic cavity, workable, hand-held device 3 ends are provided with the converting interface 7 that matches with the injection port of syringe, the convenient syringe that connects, during operation, valve-off 4, the thoracic cavity is hedged off from the outer world, the liquid gas emptying in the syringe, extract repeatedly again, can save time like this, also can prevent to take off to be connected with puncture needle again behind the syringe discharge opeing gas at every turn and have the air admission thoracic cavity, inject medicine as needs to the thoracic cavity, also can inject from the syringe link; Further, can peg graft at hand-held device 3 ends is provided with drainage component 8, and drainage component 8 links to each other with drainage bag or drainage tube, and when in the thoracic cavity more liquid being arranged, directly drain is derived.
During operation, puncture needle is vertically entered thoracic wall from patient's thoracic wall anchor point, on the trocar sheath 2 scale is arranged, depth of needle be can adjust, syringe, changeover valve 4 connected at converting interface 7 places of hand-held device 3, syringe is communicated with puncture needle, syringe extracts liquid or gas, take out full after, changeover valve 4, the isolated thoracic cavity and the external world, liquid or gas in the emptying syringe extract repeatedly, in pumping the thoracic cavity till liquid or the gas; After pumping in the thoracic cavity liquid or gas, vertically extract puncture needle, push the point of puncture part, and cover with gauze, and operation is finished.
Claims (4)
1. novel thoracentesis needle, comprise trocar sheath (2) and nook closing member (1), it is characterized in that described trocar sheath (2) end is provided with hand-held device (3), trocar sheath (2) cooperates formation one assembly with nook closing member (1) socket, nook closing member (1) one end is connected with hand-held device (3) elasticity by spring (6), the other end stretches in the head of trocar sheath (2), and hand-held device (3) is provided with valve (4), and hand-held device (3) end is provided with the converting interface (7) that matches with the injection port of syringe.
2. novel thoracentesis needle according to claim 1 is characterized in that described nook closing member (1) head is the blunt structure of circle, and is respectively equipped with one or an above liquid outlet (5) at head and sidewall.
3. novel thoracentesis needle according to claim 1 is characterized in that terminal the pegging graft of described hand-held device (3) is provided with drainage component (8), and drainage component (8) links to each other with drainage bag or drainage tube.
4. novel thoracentesis needle according to claim 1 is characterized in that described trocar sheath (2) outer wall is provided with graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201480357U CN201683986U (en) | 2010-04-01 | 2010-04-01 | Novel thoracentesis needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201480357U CN201683986U (en) | 2010-04-01 | 2010-04-01 | Novel thoracentesis needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201683986U true CN201683986U (en) | 2010-12-29 |
Family
ID=43372277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201480357U Expired - Fee Related CN201683986U (en) | 2010-04-01 | 2010-04-01 | Novel thoracentesis needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201683986U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108113883A (en) * | 2016-11-29 | 2018-06-05 | 南方医科大学珠江医院 | Drawing liquid container and liquid pumping method |
| CN112206398A (en) * | 2020-11-02 | 2021-01-12 | 津市市人民医院 | Anti-blocking thoracic drainage tube for quick puncture and intubation |
| US10918835B2 (en) | 2016-03-31 | 2021-02-16 | Surmodics, Inc. | Delivery system for active agent coated balloon |
| US11298451B2 (en) | 2015-09-15 | 2022-04-12 | Surmodics, Inc. | Hemodialysis catheter sleeve |
-
2010
- 2010-04-01 CN CN2010201480357U patent/CN201683986U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11298451B2 (en) | 2015-09-15 | 2022-04-12 | Surmodics, Inc. | Hemodialysis catheter sleeve |
| US10918835B2 (en) | 2016-03-31 | 2021-02-16 | Surmodics, Inc. | Delivery system for active agent coated balloon |
| CN108113883A (en) * | 2016-11-29 | 2018-06-05 | 南方医科大学珠江医院 | Drawing liquid container and liquid pumping method |
| CN112206398A (en) * | 2020-11-02 | 2021-01-12 | 津市市人民医院 | Anti-blocking thoracic drainage tube for quick puncture and intubation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20150401 |
|
| EXPY | Termination of patent right or utility model |